Finding the Fourth Proportional to 12,767,537.44, 17,603,265.36 and 8,176,310.56
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Solution
The fourth proportional to 12,767,537.44, 17,603,265.36 and 8,176,310.56 is: 11,273,102.99
Step by Step Solution
- Step 1: Write the proportion equation
12,767,537.44 : 17,603,265.36 = 8,176,310.56 : x - Step 2: Convert to fraction form
12,767,537.44/17,603,265.36 = 8,176,310.56/x - Step 3: Cross multiply
12,767,537.44x = 17,603,265.36 × 8,176,310.56 - Step 4: Simplify right side
12,767,537.44x = 143,929,764,453,450.19 - Step 5: Solve for x
x = 143,929,764,453,450.19/12,767,537.44 - Step 6: Final answer
x = 11,273,102.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.